CTA’s Health Fitness and Wellness Committee R11 recently published CTA-2065.1. This standard uses the framework outlined in ANSI/CTA-2108, Framework for Validation of Digital Health Technology-Derived Metrics under Naturalistic or Unconstrained Test Conditions, to refine, modify, or update key components of CTA-2065-A, Physical Activity Monitoring For Heart Rate based on real-world application.